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Hex Cap Screw — Stainless Steel, Silver, 7/16 in. x 2-1/2 in., 4-Pack Box
- Mfg.#
- 4239-F
- Sku#
- 6331516
- Hex cap screw designed for general fastening applications outdoors
- Features 7/16"-20 x 2-1/2" size for SAE fine-threaded connections
- Finished in stainless steel for outdoor corrosion resistance
- Constructed from steel base material for strength and durability
- Features SAE fine thread suitable for precise fastening
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
The Silver Hex Cap Screw is a heavy-duty fastener designed for outdoor projects where strength and corrosion resistance matter. With a 7/16"-20 fine thread and 2-1/2" length, this stainless steel-finish hex cap screw provides a tight, reliable fit for joining metal brackets, securing hardware to treated lumber, or assembling outdoor equipment and fixtures. Its SAE fine thread offers improved clamping force and reduced vibration loosening, making it a good choice for decks, railings, gate hardware, and outdoor furniture where a secure connection is crucial. Sized for common structural and repair tasks, the 4-pack gives you spare pieces for replacements or multiple attachment points. Built from steel with a stainless finish, these hex cap screws combine a classic hex head for wrench convenience with the durability expected on exterior jobs.
Specifications
General
| Base Material | Steel |
|---|---|
| Color | Silver |
| Finish | Stainless Steel |
| Head Style | Hex |
| Indoor/Outdoor | Outdoor |
| Pack Qty | 4 |
| Point Type | Blunt |
| Thread Type | SAE Fine |
| Thread per Inch | 20 |
| Type | Hex Cap Screw |
Dimensions
| Diameter | 7/16 in |
|---|---|
| Length | 2-1/2 in |
| Size | 7/16"-20 x 2-1/2" |
Manufacturing Details
The following information is subject to change without notice
| Prop 65 Warning |
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
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